Snap hook



FIG. 1 is an end view of of my new design of a snap hook;

FIG. 2 is a first side view showing my new design of a snap hook;

FIG. 3 is a front view of my new design of a snap hook;

FIG. 4 is a second side view showing my new design of a snap hook taken on a side opposite the side shown in FIG. 2;

FIG. 5 is a top view of my new design of a snap hook; and,

FIG. 6 is a bottom view of my new design of a snap hook. 

The ornamental design for a snap hook, substantially as shown and described. 